CN211501470U - Damping device for lifting equipment under urban rail vehicle - Google Patents

Abstract

The utility model provides a shock absorbing device for undercar hoisting equipment of urban rail vehicles. The shock absorbing device for undercar hoisting equipment of urban rail vehicles comprises a hanger body and a hanger frame body. The top of the hanger body is fixedly connected with a A fixed block, the interior of the fixed block has a cavity, a vertical guide column is symmetrically arranged in the cavity, a horizontal installation plate is slidably connected to the two guide rods, and the bottom of the installation plate is located on the two guide rods. A plurality of vertical upper plug-in boards are arranged at equal intervals between the guide rods, and a plurality of vertical lower plug-in boards, a plurality of upper plug-in boards and a plurality of lower plug-in boards are arranged at equal intervals in the bottom of the cavity. The plug boards are staggered and connected to each other, and the connection between the lower end of each upper plug board and the inner bottom of the cavity and between the upper end of each lower plug board and the bottom of the mounting board is connected by a first spring, so A connecting block is fixedly connected to the top of the mounting plate, and the upper end of the connecting block penetrates the top of the cavity and is fixedly connected to the bottom of the hanging frame body.

Description

A shock absorbing device for hoisting equipment under the urban rail vehicle

technical field

The utility model relates to the technical field of vehicle equipment, in particular to a shock absorbing device for hoisting equipment under an urban rail vehicle.

Background technique

During the driving of the vehicle, a large vibration will be generated, and usually such vibration is transmitted to the equipment hanger through the vehicle body hanging frame, which makes the vehicle body prone to vibration, affects people's comfort, and brings a lot of trouble to people. , and the ordinary shock absorber can not achieve effective shock absorption effect, the structure is complex, it is difficult to maintain a certain stability of the vehicle, reducing its use effect.

Utility model content

The purpose of the utility model is to overcome the deficiencies of the prior art and provide a shock absorbing device for hoisting equipment under an urban rail vehicle.

The utility model is realized through the following technical solutions:

The utility model provides a shock absorbing device for undercar hoisting equipment of urban rail vehicles. The shock absorbing device for undercar hoisting equipment of urban rail vehicles comprises a hanger body and a hanger frame body. The top of the hanger body is fixedly connected with a A fixed block, the interior of the fixed block has a cavity, the cavity is symmetrically arranged with a vertical guide column, the two guide rods are slidably connected with a horizontal installation plate, and the bottom of the installation plate is located on the two guide rods. A plurality of vertical upper plug-in boards are arranged at equal intervals between the guide rods, and a plurality of vertical lower plug-in boards are arranged at equal intervals at the bottom of the cavity, a plurality of upper plug-in boards and a plurality of lower plug-in boards are arranged at equal intervals. The plug boards are staggered and connected to each other, and the connection between the lower end of each upper plug board and the inner bottom of the cavity and between the upper end of each lower plug board and the bottom of the mounting board is connected by a first spring, so A connecting block is fixedly connected to the top of the mounting plate, and the upper end of the connecting block penetrates through the top of the cavity and is fixedly connected to the bottom of the hanging frame body.

Preferably, the two guide rods are respectively sheathed with second springs, one end of the second spring is pressed against the bottom of the mounting plate, and the other end of the second spring is pressed against the bottom of the cavity.

Preferably, each of the upper plug boards is slidably connected to two adjacent lower plug boards respectively.

Preferably, rollable balls are embedded on both sides of the lower end of each upper plug board respectively, and the balls are rollingly connected in the rolling grooves opened on the adjacent lower plug boards, and the rolling grooves are arranged vertically .

Preferably, the top of the cavity is provided with a perforation through which the connecting block penetrates.

Preferably, two sides of the fixed block are symmetrically provided with telescopic rods, one end of each telescopic rod away from the fixed block is fixedly connected to a limit block, and each telescopic rod is sleeved with a third spring, each limit Two hinge rods are hinged on the block, the free end of one hinge rod is hinged with the hanger body, and the free end of the other hinge rod is hinged with the hanger body.

In the above-mentioned embodiment, through the arrangement of the first spring, the second spring and the third spring, the effective shock absorption of the vehicle can be realized, and the comfort of people can be increased. The cooperation of the upper plug-in board and the lower plug-in board can maintain a certain stability during the driving process, which brings a lot of convenience to the normal driving of the vehicle.

Description of drawings

1 is a schematic structural diagram of a shock absorbing device for hoisting equipment under an urban rail vehicle provided by an embodiment of the present invention;

2 is a cross-sectional view of a fixed block provided by an embodiment of the present invention;

FIG. 3 is a schematic diagram of the connection of an upper plug board and a lower plug board provided by an embodiment of the present invention.

In the figure: 1-hanger body; 2-hanging frame body; 3-fixing block; 4-cavity; 5-guide column; 6-installation plate; 7-upper plug-in board; 8-lower plug-in board; 9 -First spring; 10-Connecting block; 11-Second spring; 12-Ball; 13-Rolling groove; 14-Perforation; 15-Telescopic rod; .

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model more clearly understood, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not intended to limit the present invention.

In order to facilitate the understanding of the shock absorbing device for the undercarriage hoisting equipment of the urban rail vehicle provided by the embodiment of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Please refer to FIG. 1 and FIG. 2 , FIG. 1 is a schematic structural diagram of a shock absorbing device for an urban rail vehicle undercarriage hoisting device provided by an embodiment of the present invention, and FIG. 2 is a cross-sectional view of a fixing block provided by an embodiment of the present invention.

As shown in Figures 1 and 2, the shock absorber for the hoisting equipment under the urban rail vehicle includes a hanger body 1 and a hanger frame body 2. A fixing block 3 is fixedly connected to the top of the hanger body 1, and the interior of the fixing block 3 has a Cavity 4, a vertical guide column 5 is symmetrically arranged in the cavity 4, and a horizontal mounting plate 6 is slidably connected to the two guide rods 5. Specifically, the upper end of each guide column 5 is fixedly connected to the top of the cavity 4 The lower end of each guide post 5 is fixedly connected to the inner bottom of the cavity 4 , and the mounting plate 6 is provided with a through hole for the guide post 5 to slide through corresponding to each guide post 5 .

In addition, a plurality of vertical upper plug-in boards 7 are arranged at equal intervals at the bottom of the mounting plate 6 between the two guide rods 5 , and the upper end of each upper plug-in board 7 is fixedly connected to the bottom of the installation board 6 . A plurality of vertical lower plug-in boards 8 are arranged at equal intervals in the inner bottom of the cavity 4, and the plurality of lower plug-in boards 8 are also located between the two guide rods 5, and the lower end of each lower plug-in board 8 is connected to the cavity. 4 Fixed connection at the inner bottom.

In further specific settings, a plurality of upper plug-in boards 7 and a plurality of lower plug-in boards 8 are inserted in a staggered manner, and between the lower end of each upper plug-in board 7 and the inner bottom of the cavity 4 and each lower plug-in board The upper end of the plate 8 and the bottom of the mounting plate 6 are connected by a first spring 9 . The number of the first springs 9 at the lower end of the upper plug board 7 is multiple, and the upper end of each first spring 9 at the lower end of the upper plug board 7 is fixedly connected with the lower end of the upper plug board 7. The lower end of each first spring 9 is fixedly connected to the inner bottom of the cavity 4 . The number of the first springs 9 on the upper end of the lower plug board 8 is multiple, the upper end of each first spring 9 on the upper end of the lower plug board 8 is fixedly connected with the bottom of the mounting plate 6, and each The lower end of the first spring 9 is fixedly connected with the upper end of the lower plug board 8 .

In addition, each upper plug board 7 is slidably connected with two adjacent lower plug boards 8 respectively. Please refer to FIG. 3. FIG. 3 is a schematic diagram of the connection between the upper plug board and the lower plug board provided by the embodiment of the present invention. Rollable balls 12 are embedded on both sides of the lower end of each upper plug board 7. Specifically, Yes, there are multi-hemispherical embedding grooves on both sides of the lower end of each upper plug board 7, and the balls 12 are rotatably embedded in the embedding grooves. In addition, the rolling grooves 13 provided on the lower plug plates 8 adjacent to each upper plug board 7 are arranged vertically and along the height direction of the upper plug board 7, and the cross section of the rolling grooves 13 is a half-arc. The ball 12 is shaped and matched with the part of the ball 12 exposed outside the insert groove, and the ball 12 is rolled and connected in the rolling groove 13 opened on the adjacent lower plug board 8 .

Continuing to refer to FIGS. 1 and 2 , a connection block 10 is fixedly connected to the top of the mounting plate 6 , and the upper end of the connection block 10 penetrates the top of the cavity 4 and is fixedly connected to the bottom of the hanging frame body 2 . The top of the cavity 4 is provided with a through hole 14 for the connecting block 10 to pass through. In addition, the two guide rods 5 are respectively sheathed with second springs 11 , one end of the second spring 11 is pressed against the bottom of the mounting plate 6 , and the other end of the second spring 11 is pressed against the bottom of the cavity 4 .

In addition, telescopic rods 15 are symmetrically arranged on both sides of the fixed block 3, the telescopic rods 15 are horizontally telescopically arranged, and one end of each telescopic rod 15 away from the fixed block 3 is fixedly connected to a limit block 16, and each telescopic rod 15 The upper sleeve is provided with a third spring 17 , the limit block 16 is used to limit the third spring 17 , one end of the third spring 17 is pressed against the limit block 16 , and the other end of the third spring 17 is pressed against the fixed block 3 .

Further, two hinge rods 18 are hinged on each limit block 16 , the free end of one hinge rod 18 is hinged with the hanger body 1 , and the free end of the other hinge rod 18 is hinged with the hanger frame body 2 . Specifically, the two hinge rods 18 , the hinge rod 18 and the hanger body 1 , and the hinge rod 18 and the hanger frame body 2 are hinged through hinges.

In the above-mentioned embodiment, through the arrangement of the first spring 9, the second spring 11 and the third spring 17, the vehicle can be effectively damped and the comfort of people can be increased. The arrangement of the connecting block 10 and the cooperation of the upper plug-in board 7 and the lower plug-in board 8 can maintain a certain stability during driving, which brings many conveniences to the normal driving of the vehicle.

The above are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in the present utility model. within the scope of protection.

Claims (6)

1. A shock absorbing device for hoisting equipment under an urban rail vehicle, comprising: a hanger body and a hanging frame body, characterized in that the top of the hanger body is fixedly connected with a fixing block, and the interior of the fixing block has an empty space. A vertical guide column is symmetrically arranged in the cavity, a horizontal mounting plate is slidably connected to the two guide rods, and the bottom of the mounting plate is located between the two guide rods at equal intervals. a plurality of vertical upper plug-in boards, the inner bottom of the cavity is provided with a plurality of vertical lower plug-in boards at equal intervals, the plurality of upper plug-in boards and the plurality of lower plug-in boards are staggered and connected to each other, and The lower end of each upper plug board and the inner bottom of the cavity and the upper end of each lower plug board and the bottom of the mounting board are connected by a first spring, and the top of the mounting board is fixedly connected with a connecting block , the upper end of the connecting block penetrates through the top of the cavity and is fixedly connected with the bottom of the hanging frame body. 2 . The shock absorbing device for hoisting equipment under an urban rail vehicle according to claim 1 , wherein the two guide rods are respectively sheathed with a second spring, and one end of the second spring is pressed against the the bottom of the mounting plate, and the other end of the second spring is pressed against the bottom of the cavity. 3 . The shock absorbing device for hoisting equipment under an urban rail vehicle according to claim 1 , wherein each of the upper plug boards is respectively slidably connected to two adjacent lower plug boards. 4 . 4 . The shock absorbing device for hoisting equipment under an urban rail vehicle according to claim 3 , wherein rolling balls are embedded on both sides of the lower end of each upper plug plate, and the balls are rollingly connected. 5 . In the rolling grooves opened on the adjacent lower plug-in boards, the rolling grooves are arranged vertically. 5 . The shock absorbing device for hoisting equipment under an urban rail vehicle according to claim 1 , wherein the top of the cavity is provided with a perforation through which the connecting block penetrates. 6 . 6 . The shock absorbing device for hoisting equipment under an urban rail vehicle according to claim 1 , wherein telescopic rods are symmetrically arranged on both sides of the fixed block, and each telescopic rod is fixedly connected to one end away from the fixed block. 7 . There is a limit block, and each telescopic rod is sleeved with a third spring, and each limit block is hinged with two hinge rods, wherein the free end of one hinge rod is hinged with the hanger body, and the other hinge rod The free end of the frame is hinged with the hanging frame body.

Images